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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exponent Prime Factor Digits Year
2401827383480365476710 ~2004
240182820116812797407112 ~2008
2401848479480369695910 ~2004
24018557391921484591311 ~2006
2401952411480390482310 ~2004
2401974611480394922310 ~2004
2401997723480399544710 ~2004
2402045603480409120710 ~2004
24020500872402050087111 ~2006
24020663211441239792711 ~2005
2402147843480429568710 ~2004
24022060611441323636711 ~2005
2402385851480477170310 ~2004
2402426891480485378310 ~2004
24026794911922143592911 ~2006
2402703059480540611910 ~2004
24028948213844631713711 ~2007
2402921639480584327910 ~2004
2403074111480614822310 ~2004
2403372599480674519910 ~2004
2403553283480710656710 ~2004
2403627071480725414310 ~2004
2403629339480725867910 ~2004
24036468711922917496911 ~2006
2403656903480731380710 ~2004
Exponent Prime Factor Digits Year
2403710411480742082310 ~2004
2403715883480743176710 ~2004
2403812591480762518310 ~2004
2403907931480781586310 ~2004
2403979223480795844710 ~2004
2404026791480805358310 ~2004
24040729191923258335311 ~2006
2404109423480821884710 ~2004
24042090471923367237711 ~2006
2404398911480879782310 ~2004
2404403411480880682310 ~2004
2404691351480938270310 ~2004
2404704479480940895910 ~2004
24047964171923837133711 ~2006
24048439931442906395911 ~2005
24049290192404929019111 ~2006
2404938551480987710310 ~2004
2404950683480990136710 ~2004
2404978643480995728710 ~2004
2404996271480999254310 ~2004
24050309514329055711911 ~2007
2405035991481007198310 ~2004
2405206943481041388710 ~2004
2405253239481050647910 ~2004
2405434799481086959910 ~2004
Exponent Prime Factor Digits Year
2405472983481094596710 ~2004
2405479343481095868710 ~2004
2405722103481144420710 ~2004
24057566533849210644911 ~2007
24057586611924606928911 ~2006
2406001439481200287910 ~2004
2406022379481204475910 ~2004
2406042311481208462310 ~2004
2406074903481214980710 ~2004
24061169533849787124911 ~2007
2406194663481238932710 ~2004
24062094531443725671911 ~2005
24063719173850195067311 ~2007
24064186611925134928911 ~2006
24064323377219297011111 ~2007
2406478499481295699910 ~2004
2406539339481307867910 ~2004
2406573899481314779910 ~2004
2406674579481334915910 ~2004
2406757799481351559910 ~2004
2406796019481359203910 ~2004
2406812879481362575910 ~2004
24068818331444129099911 ~2005
2407020659481404131910 ~2004
24070779411444246764711 ~2005
Exponent Prime Factor Digits Year
2407197323481439464710 ~2004
2407226303481445260710 ~2004
24073741733370323842311 ~2006
24074308131444458487911 ~2005
240755541117334398959312 ~2008
2407599983481519996710 ~2004
2407622939481524587910 ~2004
2407691003481538200710 ~2004
2407804439481560887910 ~2004
24078469813852555169711 ~2007
2407883399481576679910 ~2004
24079518792407951879111 ~2006
2408020943481604188710 ~2004
2408104823481620964710 ~2004
2408176643481635328710 ~2004
24082770432408277043111 ~2006
2408295731481659146310 ~2004
2408387483481677496710 ~2004
24083878874335098196711 ~2007
24083950131445037007911 ~2005
240848382139980831428712 ~2009
24086838011445210280711 ~2005
2408688671481737734310 ~2004
24087428811445245728711 ~2005
24087542511927003400911 ~2006
4262
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26-03-15